Chair seat



FIG. 1 is a perspective view of the chair seat of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a cross-sectional view thereof taken along line II of FIG. 2; and,

FIG. 9 is a right side view of the present invention also showing the article in broken lines in which the design is embodied that is not part of the claimed design. 

The ornamental design for a chair seat, as shown and described. 